The Avast Mobile Security app is an anti-virus and anti-theft app that includes additional features such as application management, privacy advisor and a built-in Firewall for rooted devices.

The app protects your Android device against viruses, phishing, malware, app vulnerabilities and Wi-Fi-based threats.

While all the other features are ready to use, additional apps have to be installed to enable Anti-Theft. In Anti Theft you can set the phone to send an SMS in case of SIM change along with a friend’s number for SMS notifications. For Backup, the Mobile security app redirects to the Play Store where a dedicated Backup app has to be downloaded. The privacy advisor is particularly helpful in understanding the permissions granted to installed apps and to identify dangerous apps.

The app consumes between 32-40MB memory so it is great for entry and mid-budget devices. A free account signup (via Facebook or email) is required to manage functions such as Anti-Theft and backup. A good part is that you can set up a PIN lock for access to the Avast app in settings.

Although there are no visible ads in the app, the free version has a few limitations. Music, videos and apps cannot be backed up. Only two apps can be locked using App Lock feature.

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